West Nile Virus Essay

West Nile Virus Essay

Length: 2071 words (5.9 double-spaced pages)

Rating: Term Papers

Open Document

Essay Preview


An estimated 80% of people with West Nile Virus are asymptomatic (Sejavar, 2014). This is explained by the disease’s nature of attack on the host’s immune system and how much the host can handle as a result. Another reason is due to the different strains of West Nile Virus and how virulent they are (Jeha & Sila, 2009). A large percentage of the patients that develop symptoms due to WNV suddenly develop a congenital, fiery fever in other words known as West Nile Fever (WNF) (Jeha & Sila, 2009). Another significant complication caused by WNV as seen in about 1% of the population that gets infected is illness affecting nerve organs which is caused by the invasive nature of the disease which ruptures areas of the Central Nervous System causing infection in these structures (Sejvar, 2014). Neurologic invasion is usually seen several days after the onset of the systemic illness. The most common symptoms include; headache, altered level of consciousness, and focal weakness seen in different variations (Sejvar, 2014). Some of the neuroinvasive diseases caused by WNV are; encephalitis, meninigitis and acute flaccid paralysis (Sejvar, 2014). The inflammation of the connective tissue layers of the brain otherwise known as West Nile Meningitis is the largest contributor of neuroinvasive disease in the younger age groups of those infected with WNV. West Nile Encephalitis is more common in the older and immunosuppressed population. West Nile Encephalitis is a viral infection of the brain parenchyma itself. West Nile Poliomyelitis also develops as a result of WNV and it is characterized by the presence of fever, meningitis and flaccid paralysis and it affects part of the spinal cord causing major complications (Sejvar, 2014). It is impo...


... middle of paper ...


...doi: 10.3390/v5112856


7. Chong, M., Chua, A., Tan, T., Tan, S., & Ng, M. (2014). Microscopy techniques in flavivirus research. Micron, 59, 33-43. Retrieved from http://www.sciencedirect.com.ezproxy.undmedlibrary.org/science/article/pii/S0968432813002011


8. Watson, J., Pertel, P., Jones, R., Siston, A., Paul, W., Austin, C., & Gerber, S. (2004). Clinical characteristics and functional outcomes of west nile fever. Annals of Internal Medicine, (141), 360-365. Retrieved from www.annals.org

9. Mohammad, S., & Mahmoud, F. (2009). Successful treatment with intravenous immunoglobulin of acute flaccid paralysis caused by west nile virus. The Permanent Journal, 13(3), 43-46. Retrieved from http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2911811/

10. Mahon, C., & Manuselin, G. (2011). Textbook of diagnostic microbiology. (4th ed., p. 418). St. Louis: Elsevier.

Need Writing Help?

Get feedback on grammar, clarity, concision and logic instantly.

Check your paper »

The West Nile Virus Essay

- The West Nile Virus **Let it be known that I am writing this account in the hope that it may someday benefit future generations, although I hope for their sake that the world has by then tamed the West Nile Virus. First and foremost, mosquitoes are the human beings' enemy in the battle against West Nile Virus. This is not to say that we as humans should declare an all out war on the creatures, but rather that people need to be especially aware during the months of August and September of avoiding those areas (such as those near standing water) which attract mosquitoes....   [tags: West Nile Viruses Health Essays]

Free Essays
828 words (2.4 pages)

Overview Of The West Nile Virus Essays

- Introduction: West Nile Virus, belong to family Flaviridae is a virus transferred by mosquitoes which was first identified in Uganda in 1937 (2). It was perceived as public health threat with epidemics of fever and encephalitis in the Middle East in the 1950’s (3). Since then there has been many sporadic outbreak in Asia, Europe, Africa, and Middle East (3). The first human cases of WNV disease in the Western Hemisphere were detected in New York City in 1999(1 ). By the end of 2005, virus has a very wide established sustained transmission geographical foci from central Canada to southern Argentina making it the most widely distributed Arbovirus in the world....   [tags: flaviridae, mosquitoes, fever]

Term Papers
1937 words (5.5 pages)

Essay about West Nile Virus Vaccines

- This first discovered virus was identified in 1937 in Uganda in eastern Africa named West Nile Virus. West Nile virus is a single stranded RNA virus that lies within the family of flavivrus, which is part of the Japanese encephalitis antigenic complex of viruses. It is found in both tropical and temperate regions. It is known to infect vertebrates and certain insects. The most common route in which it infects humans is through the bite of an infected mosquito. West Nile Virus hit the United States the summer of 1999 in New York....   [tags: Disease]

Term Papers
1288 words (3.7 pages)

Essay on West Nile Virus And Zika Virus

- Introduction: West Nile virus and Zika virus belong to Arbovirus group which are usually transmitted by mosquito, ticks or some other vectors. The growing concern regarding West Nile virus is not unexpected as people has seen the worst consequences of Zika virus. But as an Epidemiologist, any conclusion should be made in a systemic way base on previous data and background knowledge about the investigation. Being the same group member does not always make them equal deleterious. As we all know that not all the hepatitis virus causes hepatocellular carcinoma, few of them are very mild that they persist few days without leaving any long-term effect....   [tags: Epidemiology, Infectious disease, Infection]

Term Papers
955 words (2.7 pages)

West Nile Virus Essay

- Emerging Infectious Diseases are diseases that are new, re-emerging, or drug-resistant and the incidence in humans has increased within the past two decades or whose incidence threatens to increase in the near future. Factors that contribute to the emergence of new infectious diseases are microbial adaptation and change, widespread usage of antibiotics, economic development and land use, international travel and commerce, human demographics and behavior, and technology and industry. One emerging infectious disease that has been re-emerging is the West Nile Virus....   [tags: Disease/Disorders]

Term Papers
1112 words (3.2 pages)

History of the West Nile Virus Essay

- History of the West Nile Virus Abstract West Nile virus (WNV) is a virus that is transmitted by mosquitoes. It has been found in humans, birds, and other animals, typically in Africa, Eastern Europe, and the Middle East. In 1999, WNV was detected in the United States for the first time, and since then it has spread across the U.S. According to the U.S. Centers for Disease Control and Prevention (CDC), over 15,000 people in the U.S. have tested positive for the WNV infection since 1999, including over 500 deaths....   [tags: Biology Medical Biomedical Disease]

Term Papers
869 words (2.5 pages)

Risks and Effects of West Nile Virus Essay

- Risks and Effects of West Nile Virus West Nile Virus has many effects on the human body as well as on the bodies of other animals. West Nile is an extremely dangerous virus that attacks the Central Nervous System. It can cause inflammation of tissues in and around the brain and spinal cord. In humans, there are three levels of West Nile Virus, which have different symptoms. Humans can also get specific diseases such as encephalitis from West Nile Virus. West Nile Virus also affects animals. Wild birds and horses are the most susceptible to the virus and most animal deaths occur in these species....   [tags: Biology Medical Biomedical Disease]

Term Papers
1400 words (4 pages)

West Nile Virus Essay example

- West Nile Virus has emerged in recent years throughout the temporate zones of Europe and North America. Causing a variety of conditions in its hosts, the most serious manifestation of WN virus infection is fatal encephalitis (inflammation of the brain) in humans and horses, and many birds. History While many forms of encephalitis exist, West Nile Virus was first isolated and identified in the West Nile District of Uganda in 1937. The virus, which was seemingly isolated to North Eastern Africa, became recognized as a cause of severe human meningoencephalitis (inflammation of the spinal cord and brain) in elderly patients during an outbreak in Israel in 1957....   [tags: Biology]

Term Papers
1498 words (4.3 pages)

West Nile Virus Essay examples

- West Nile Virus Life History West Nile Virus, WNV, was first isolated in 1937 in the West Nile section of Uganda. It was the found in Egypt in the 1950's. It was first found to cause meningitis and encephalitis during an outbreak amongst elderly people in Israel in 1957. It was first found to infect other vertebrates (equine species) in France in the early 1960's. It did not cross over to the US until 1999 and has now spread to 44 states. There have been 8219 cases in the US since then with 182 deaths....   [tags: Biology Health Medical Essays]

Free Essays
500 words (1.4 pages)

Impact of West Nile Virus on Humans Essay

- The Impact of West Nile Virus on Humans (or Why We Should Worry) West Nile virus can infect humans, but there are more drastic ways that it affects our lives. The virus normally lives in birds and is transmitted among them and other animals by mosquitoes. There is no other definite method of transmission, and people do not have to worry about contracting the virus through contact with infected humans or animals. Hundreds of species of birds and many mammals, including several endangered species, are vulnerable to the virus....   [tags: Biology Medical Biomedical Disease]

Term Papers
1123 words (3.2 pages)